JPS60222679A - Rail supporter - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention (a) 0 Technical Field of the Invention The present invention relates to a cable conduit, a water pipe,
The present invention relates to a rail support device that supports a rail for running a pipe-laying truck for laying pipes such as gas pipes and sewer pipes.

(b), Background of the Technology In Japanese Patent Application No. 58-234842 and others, the applicant runs a conduit laying trolley along a rail provided above the laid pipe, and installs a cable conduit into the laid pipe. We have proposed a method of laying the rails, but if a rail to support the cart is provided at the top of the pipe, the problem is how to support the rail with respect to the pipe.

Normally, bolt holes are provided at an appropriate pitch such as 90° pitch to attach connecting fittings for connecting pipes to each other, but there is a method that uses securing means such as bolt holes. is the most common.

However, it is not known in what form the laying pipes will be buried underground, and therefore it cannot be said that the phases of the engaging means of adjacent laying pipes will necessarily match, but rather, it is more common for the phases to be out of sync. be.

In addition, laying heavy pipes so that the phases of their engaging means match will unnecessarily increase the number of work hours on site, and it is not appropriate to lay them in phase positions that are out of phase with each other. It has been desired to develop a rail support device that can install a rail at the top of a pipe that has been laid.

(C)0Object of the Invention In order to eliminate the above-mentioned drawbacks, the present invention provides a rail support that allows the rail to be easily laid on the top of the laying pipe even if the phases of the engaging means of the laying pipe do not match. The purpose is to provide a device.

(d) Configuration of the 0 invention, that is, the present invention provides a rail support means capable of supporting the rail, and includes an adjustment groove in the support means that can engage with a retaining means provided on the laid pipe. An adjustment portion formed along the inner circumference of the pipe is provided, and the support means is configured to be movable along the inner circumference of the laying pipe via the adjustment portion.

(e) 9 Embodiments of the Invention Hereinafter, embodiments of the present invention will be specifically described based on the drawings.

FIG. 1 is a schematic diagram showing a pipeline installation site using a rail support device according to the present invention, FIG. 2 is a front view showing an embodiment of the rail support device according to the present invention, and FIG. A sectional view taken along the line I[-I of the support device of FIG.
5 is a sectional view taken along the line V-IV, FIG. 5 is a view taken in the direction of the ■ arrow in FIG. 2, FIG. 6 is a perspective view showing the connected state of the rails, and FIG. 7 is a front view showing the connected portion of the rails.

As shown in Fig. 1, the pipeline installation site 1 has a shaft 3 dug from the ground 2, and from the shaft 3, cylindrical construction pipes 5 are connected to each other in the horizontal direction. It was installed 17 times underground.

has been done. As shown in FIG. 2, bolt holes 5a, which are engagement means, are arranged at a pitch of 90° along the circumference of each laying pipe 5 near the connection part, that is, near both ends of the laying pipe 5, as shown in FIG. Furthermore, a rail support device 6 according to the invention is provided at the top of each laying pipe 5. The rail support device 6 has a rail support part 7 in the center and adjustment parts 9 and 10 provided on both sides of the rail support part 7, and the rail support part 7 has a support groove 7a into which the rail 11 is fitted and supported. The three ribs 7b are welded onto a band-shaped base plate 7c formed along the inner periphery of the installation pipe 5. As shown in FIGS. 3 and 4, flanges 7d made of angle material are provided at both ends of the base plate 7C.
, 7d are provided, via flanges 7d, 7d an adjustment part 9.10, likewise at the end of each adjustment part 9.10,
A flange 9a is formed to face the flange 7d.

10a by a fastening means 12 such as a bolt/nut, whereby the rail support part 7 and the readjustment part 9.1
0 is integrated. The adjustment unit 10 has a band-shaped base plate 10b molded along the inner circumference of the installation pipe 5, and each base plate 10b has three ribs 10c arranged in parallel, as shown in FIG. , are provided along the inner circumference of the installation pipe 5. As shown in FIG. 5, two elongated holes 10d1 and 10d having a length of L2 are bored through the base plate 10b of the adjustment section 10 in parallel along the inner periphery of the laying pipe 5. Note that the adjustment section 9 is the adjustment section 1.
0, the base plate 9b is provided with 13 ribs 9c and two elongated holes 9d with length L2, but the adjustment part 1
Its circumferential length Ll is shorter than that of 0.

Note that the rail support device 6 has elongated holes 9 in each adjustment section 9.10.
The installation is supported on the installation pipe 5 by four bolts 13 screwed into the bolt holes 5a of the installation pipe 5 through d110d, and when each bolt 13 is loosened, the rail support device 6 is attached to the installation pipe 5. Arrow A within a length L2 along the inner circumferential surface 5b
, can move freely in direction B. On the other hand, a plurality of rail members 11.11 are provided in the support groove 7a of the rail support portion 7.
A rail 11 configured by connecting two rail members 1 . As shown in Fig. 6, two guide plates 11a are welded to the end of the web 1 in such a way that they face each other, and the tips of both guide plates 11a and lla are directed forward in the figure.

A web insertion chamber protrudes between the guide plates 11a and lla,
It forms a gap 11b. In addition, connection plates 15 and 16 are welded and connected to the upper flanges of the adjacent rail members xx and xxty5 in a manner that they face each other,
The connection plate 15 has a protrusion 15a that is connected to the connection plate 1.
6 is formed with a recess 16g into which the protrusion 15a can fit and engage.

Since the pipeline installation site 1 has the above configuration, in order to lay the pipeline 21 in the installation pipe 5 buried underground 17, it is necessary to first carry the pipe Ws21 into the installation pipe 5. It is necessary to lay the rails 11 that support the conduit laying trolley 20. As shown in FIG.
Only one pipe is installed at the top of the installation pipe 5 in the direction of arrow C in Figure 1, which is the installation direction of the installation pipe 5.
Attach the rail support device 6 to.

The rail support device 6 is installed by screwing the bolts 13 into the bolt holes 58 of the installation pipe 5 through the elongated holes 9d and 10d of the adjustment part 9.10 (note that the parts 19
is a washer. ), the positions of the bolt holes 5a vary depending on the installation state of each installation pipe 5, and the phases of the bolt holes 5a of adjacent installation pipes 5 do not match. Therefore, when fastening and fixing the rail support device 6 to the installation pipe 5 with bolts 13, first loosen the bolts 13 to some extent, that is, with the rail support device 6 temporarily fastened to the installation pipe 5, and then attach the rail support device 6 to the installation pipe 5. It is moved along the inner circumferential surface 5b in the directions of arrows A and B in FIG. 2, and adjusted so that the center CL of the support groove 7a of the rail support part 7 coincides with the top of the installation pipe 5. This adjustment is
Since the bolts 13 are moved relatively to the long holes 9d and 10d through the long holes 9d and 10de of the rail support device f6t-1, the bolts of the laying pipe 5 provided at a pitch of 90' in the circumferential direction No matter where the hole 5a is located,
By moving the rail support device 6 within the range of length L2, the center CL can be easily positioned at the top of the installation pipe 5. When the center OL coincides with the top of the installation pipe 5, tighten the bolt 13 and attach the rail support device 6 to the installation pipe 5.
fixed against.

In this way, for each laying pipe 5, the rail support portion W6 is
When the center CL of the support groove 7m is aligned with the top of the installation pipe 5, the rail 11 is inserted into the support groove 7a from a direction perpendicular to the paper surface of FIG.
a, so that the conduit laying trolley 20 can be suspended. Note that the rail member 11. which constitutes the rail 11.
．． The connection between the rail members 11.11 and 11.11 is as shown in FIG. A guide plate 11a provided at the end of the
The web of the other rail member 11 is inserted into the web insertion space 11b consisting of the rail member 11. This is done by inserting and engaging the recess 16a' of the connecting plate 16. Projection 15a of connecting plate 15.16
As shown in FIG. 7, the recesses 16a protrude above the flanges of the opposing rail members 11y111, so that the rail members 11. 11 is mutually the 7th
It is connected without shifting in the vertical direction of the figure. In this state,
Rail member 110.11. Although they may be joined together by welding, the rail members 11. ．． 11. The rail member 11. is connected continuously from the rail member 11. ．． 11. Once connected, it will not easily move in the E and F directions due to its own weight, so even if the guide plate 11a111a and connection plate 15.16 are engaged without welding, there will be no practical problem. There's nothing wrong with that. In addition, as already mentioned, the support groove 7a in the rail support part 7 of each rail support part W6 is provided in a shape that matches the top of each laying pipe 5, so that the rail 11 can be laid smoothly. .

In this way, as shown in FIG. 1, when the rail 11 has been continuously laid so as to pass through each of the laying pipes 5, the jurisdictional laying trolley supporting the plurality of pipe lines 21 is installed from the vertical shaft 3 to the rail 11. 20 is set so that the wheels 20a are engaged with the rail 11 as shown in FIG. While adding one after another in shaft 3,
The pipe-laying cart 20 and the pipe line 21 are pushed along the rail 11 in the direction of arrow C, and the pipe #21 is laid into the pipe s. When the installation of the conduit 21 into the installation pipe 5 is completed, the installation pipe 5 is filled with concrete (containing only cement) and the conduit 21 is fixed inside the installation pipe 5.

(f) 0 Effects of the Invention As described above, according to the present invention, rail support means such as the support groove 7a capable of supporting the rail 11 are provided, and the support means includes elongated holes 9d, 10d, etc. The adjustment portion 9. has an adjustment groove formed along the inner circumference of the installation pipe 5 that can be engaged with an engaging means such as a bolt hole 5a provided in the installation pipe 5 via a bolt 13 or the like. 10, and the supporting means is configured to be movable along the inner circumferential surface 5b of the laying pipe 5 via the adjusting part 9.10, so that the support means are provided at equal angular pitches on the inner circumferential surface 5b. No matter what phase the bolt holes 5a are in when the pipe 5 is laid, it is possible to accurately set the rail support means at the top of the pipe 5.
The work of laying the rails 11 can be carried out smoothly without increasing the number of man-hours on site.

Incidentally, it is not necessary that the adjusting portions 9.10 are provided one on each side of the support means of the rail 11, and it is of course possible to provide only one adjustment portion on one side of the support means. Furthermore, it goes without saying that the rail support section 7 provided with the adjustment section 9.10 and the support means for the rail 11 does not need to have a three-part structure as in the present invention; A split structure is also possible.

Furthermore, the adjustment grooves are not limited to the elongated holes 9d and 10d as closed spaces as shown in this embodiment, but at least one of them (normally, both the left and right end portions of the rail support device 6 in FIG. It is of course possible to use a simple groove with an open shape.

[Brief explanation of drawings]

Fig. 1 is a schematic diagram showing a pipeline installation site using the rail support device according to the present invention, Fig. 2 is a front view showing an embodiment of the rail support device according to the present invention, and Fig. 3 is a diagram of the fs2 diagram. A sectional view taken along line I-I of the support device, FIG. 4 is I in FIG. 3.
5 is a sectional view taken along the line V-IV, FIG. 5 is a view taken in the direction of the ■ arrow in FIG. 2, FIG. 6 is a perspective view showing the connected state of the rails, and FIG. 7 is a front view showing the connected portion of the rails. 5... Laying pipe 5a... Engaging means (bolt hole) 5b...
・Inner peripheral surface 6...Rail support device 7a...Rail support means (support groove) 9.10.
...Adjustment parts 9d, 10d...Adjustment groove (long) 11...
...Rail applicant Mitsui Construction stock percentage formula% Figure 5

Claims (1)

[Claims] In a rail support device that is installed and supported via the engagement means on a laying pipe having a plurality of engagement means on the inner peripheral surface, a rail support means capable of supporting the rail is provided, and the support means is provided with a rail support means capable of supporting the rail. , an adjustment part is provided in which an adjustment groove that can be engaged with an engagement means provided on the laying pipe is formed along the inner circumference of the laying pipe, and the supporting means is connected to the laying pipe via the adjustment part. A rail support device configured to be movable along an inner peripheral surface.